VOCABULARY. 
409 
fcts from a single point at its ex- 
tremity. 
Digyn'ia. Having two pistils. 
Dimid'iate. Halved. 
Dioecious. Having staminate and 
pistillate flowers on different plants. 
Discoid. Resembling a disk, without 
rays. 
Disk. The whole surface of a leaf, or 
of the top of a compound flower, as 
opposed to its rays. 
Dispcr'mus. Containing two seeds 
Dissep'iment. The partition of a cap- 
sule. 
Dissil'iens. A pericarp, bursting witl 
elasticity ; as the impatiens 
Distichus. Growing in two opposite 
ranks or rows. 
Divar'icate. Diverging so as to turn 
backwards. 
Diverging. Spreading. Separating 
widely 
Diur'mis. Enduring but a day. 
Dor sal. Belonging to the back. 
Dotted. See punctate and perforated 
Droop ing. Inclining downward, more 
than nodding. 
Egret or Aigrette. The feathery or 
hairy crown of seeds, as the down 
of thistles and dandelions. It in- 
cludes whatever remains on the top 
of the seed after the corolla is re- 
moved. 
stiped. When it is supported 
on a foot stem. 
simple. When it consists of a 
bundle of simple hairs. 
plumose. When each hair has 
other little hairs arranged along its 
sides. 
Elliptic. Oval. 
Elongated. Exceeding a common 
length. 
Emar’ ginate. Having a notch at the 
end, retuse. 
Em bryo. From embrao to bud forth, 
the germ of a plant ; called by Lin- 
naeus the corculum. 
En'docarp. The inside skin of a per- 
icarp. 
Endogenous. 
Applied to stems which 
grow from the centre outwardly, as 
in monocotyledons. 
Eno'dis. Without joints or knots. 
Drupe. A fleshy pericarp enclosing En'siform. Sword form, two edged, 
a stone or nut. 
Drupa'ceous. Resembling, or bear- 
ing drupes. 
Dul'cis. Sweet. 
Dumo’sus. Bushy. 
Duplex. Double. 
E. 
Eared. Applied to the lobes of a 
heart-form leaf, to the side lobes 
near the base of some leaves, and to 
twisted parts in plants which are 
supposed to resemble the passage 
into the ear. 
Ebur'neus. Ivory white. 
Echi'nate. Beset with prickles, as 
hedge-hog. 
Ecos'late. Without nerves or ribs. 
Efflorescen'tia. (From effloresco, to 
bloom) a term expressive of the 
precise time of the year, and the 
month in which every plant blos- 
soms. The term efflorescence is ap- 
plied to the powdering substance 
found on Lichens. 
as in the flag and iris. 
Entire. Even and whole at the edge. 
Entomology. The science of insects. 
Epi. A Greek word signifying upon; 
often used in composition. 
Ep icarp. From epi, upon and kar- 
pos fruit, the outer skin of the per- 
icarp. 
(From epi upon and der- 
See Cuticle. 
From epi upon and gy- 
leaves, by means of diseases or some 
accidental causes. 
Effuse. Having an opening by which 
seeds or liquids may be poured out. 
Egg-form. See Ovate. 
Epidermis. 
ma,) skin. 
Epig ijnous. 
nia, pistil. 
Episperm. 
ma seed. 
Equinoc'tial 
From cpi, upon and sper- 
flowers. Opening at 
stated hours each day. 
E'quitant. Opposite leaves alternately 
enclosing the edges of each other. 
Erect'. Straight; less unbendingthan 
strictus. 
Ero ded. Appearing as if gnawed at 
the edge. 
Esculent. Eatable. 
Ev ergreen. Remaining green through 
The year, not deciduous. 
Excava tus. Hollowed out. 
Effoliation. Premature falling off of Exotic. Plants that arc brought from 
foreign countries. 
Expan’ded. Spread. 
Expectorant. From 
discharge from the 
expectoro, to 
breast, medi- 
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